Source : Webster's Revised Unabridged Dictionary (1913)

Longlegs \Long"legs`\, n. (Zo["o]l.)
   A daddy longlegs.

Source : WordNet®

longlegs
     n : long-legged three-toed black-and-white wading bird of inland
         ponds and marshes or brackish lagoons [syn: {stilt}, {stiltbird},
          {long-legs}, {stilt plover}, {Himantopus stilt}]